Vazquez de Aldana CR, et al. (1991) Nucleotide sequence of the exo-1,3-beta-glucanase-encoding gene, EXG1, of the yeast Saccharomyces cerevisiae. Gene 97(2):173-82
Abstract: The nucleotide (nt) sequence of the Saccharomyces cerevisiae gene (EXG1) encoding extracellular exo-1,3-beta-glucanases (EXG) I and II was determined. An open reading frame of 1344 bp codes for a 448-amino acid (aa) polypeptide, with a calculated Mr of 51,307, which contains two potential N-glycosylation sites. The EXG1 DNA hybridizes to a 1.7-kb transcript whose 5' end maps to a position 98 bp upstream from the site of initiation of protein synthesis. Comparison of the N-terminal aa sequence deduced from the nt sequence with that of the purified EXGII revealed the existence of an extra 40-aa peptide in the precursor protein containing a Lys-Arg peptidase-processing site at the junction with the mature, extracellular form. The N-terminal region of the putative precursor is a very hydrophobic segment with structural features resembling those of signal peptides of secreted proteins. The Mr of the mature EXG polypeptide deduced from the nt sequence is 46,385. The 5'- and 3'-flanking regions of the EXG1 gene have structural features in common with other yeast genes.
|Status: Published||Type: Journal Article||PubMed ID: 1900250|
Topics addressed in this paper
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|DNA/RNA Sequence Features|
|Protein Sequence Features|
|RNA Levels and Processing|